Unfortunately it does not fit. I ran into trouble installing, and ended up measuring it. The stock shaft was 25.5mm at the thickest part, but the two I bought were both over 27mm at the same location. I'd post pics to help you if I could.
Seems like a good enough product otherwise. Just know it won't fit without modification.
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It fits but not without 1/4 inch of grinding
January 26, 2016
taco eater :
Ninja from New York, NY
Mine didn’t fit in the transmission correctly, my aggressive hammer it in lifestyle didn’t pan out. I ended up cracking the front hub. I had to buzzsaw the top about ¼ inch off to make it fit in my “Crusty” transmission. Now she is fully functional. One front hub made the ultimate sacrifice for this transmissions revival. May you rest in pieces front trans hub
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awsome
October 11, 2015
taco eater :
moped man from portland , OR United States
this fits vespa and kinetic if you want to use vespa wheels and is great quality / so your tired of them wobbleing kinetic wheels but likeyour kinetic pulley set up????? use this and run the 4 spoke mags or snow flakes tired of the shittey kinetic forks them vespa EBR front forks will bolt on a bullet light and your set a really nice ped
Bummer 
It fits but not without 1/4 inch of grinding 
awsome